669473532012 has 96 divisors (see below), whose sum is σ = 1617789265344. Its totient is φ = 215327232000.

The previous prime is 669473531999. The next prime is 669473532037. The reversal of 669473532012 is 210235374966.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49536168 + ... + 49549680.

It is an arithmetic number, because the mean of its divisors is an integer number (16851971514).

Almost surely, 2^669473532012 is an apocalyptic number.

It is an amenable number.

669473532012 is an abundant number, since it is smaller than the sum of its proper divisors (948315733332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

669473532012 is a wasteful number, since it uses less digits than its factorization.

669473532012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14659 (or 14657 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 48.

The spelling of 669473532012 in words is "six hundred sixty-nine billion, four hundred seventy-three million, five hundred thirty-two thousand, twelve".